petsc-3.3-p7 2013-05-11

PetscInfo

Logs informative data, which is printed to standard output or a file when the option -info <file> is specified.

Synopsis

PetscErrorCode PetscInfo(void *vobj, const char message[])
PetscErrorCode PetscInfo1(void *vobj, const char formatmessage[],arg1)
PetscErrorCode PetscInfo2(void *vobj, const char formatmessage[],arg1,arg2)
etc

Collective over PetscObject argument

Input Parameter

	vobj	- object most closely associated with the logging statement or PETSC_NULL
	message	- logging message
	formatmessage	- logging message using standard "printf" format

Options Database Key

   -info : activates printing of PetscInfo() messages

Fortran Note: This function does not take the vobj argument, there is only the PetscInfo() version, not PetscInfo1() etc.

Example of Usage

    Mat A

    double alpha

    PetscInfo1(A,"Matrix uses parameter alpha=%g\n",alpha);

Examples